Bug 1341462 – CVE-2016-4450 nginx: NULL pointer dereference while writing client request body

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Bug 1341462 - (CVE-2016-4450) CVE-2016-4450 nginx: NULL pointer dereference while writing client request body

Summary:	CVE-2016-4450 nginx: NULL pointer dereference while writing client request body

Status:	CLOSED ERRATA

Aliases:	CVE-2016-4450

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20160531,repor...
Keywords:	Security

Depends On:	1341463 1341464 1342443
Blocks:	1341465
	Show dependency tree / graph

Reported:	2016-06-01 02:34 EDT by Andrej Nemec
Modified:	2016-09-06 17:18 EDT (History)
CC List:	13 users (show)

See Also:
Fixed In Version:	nginx 1.11.1, nginx 1.10.1
Doc Type:	Bug Fix
Doc Text:	A NULL pointer dereference flaw was found in the nginx code responsible for saving client request body to a temporary file. A remote attacker could send a specially crafted request that would cause nginx worker process to crash.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-07-14 07:21:58 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2016:1425	normal	SHIPPED_LIVE	Moderate: rh-nginx18-nginx security update	2016-07-14 05:50:00 EDT

Groups: None (edit)

Description Andrej Nemec 2016-06-01 02:34:34 EDT

A vulnerability was found in nginx code responsible for saving
client request body to a temporary file.  A specially crafted request
might result in worker process crash due to a NULL pointer dereference
while writing client request body to a temporary file.

External references:

http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html

Upstream patches:

[nginx 1.9.13 - 1.11.0]
http://nginx.org/download/patch.2016.write.txt

[nginx 1.3.9 - 1.9.12]
http://nginx.org/download/patch.2016.write2.txt

Comment 1 Andrej Nemec 2016-06-01 02:35:29 EDT

Created nginx tracking bugs for this issue:

Affects: fedora-all [bug 1341463]
Affects: epel-all [bug 1341464]

Comment 2 Dhiru Kholia 2016-06-03 04:34:48 EDT

Upstream bug, https://trac.nginx.org/nginx/ticket/981

Comment 5 errata-xmlrpc 2016-07-14 01:50:38 EDT

This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS

Via RHSA-2016:1425 https://access.redhat.com/errata/RHSA-2016:1425

Comment 6 Fedora Update System 2016-09-06 16:15:58 EDT

nginx-1.10.1-1.el5 has been pushed to the Fedora EPEL 5 stable repository. If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2016-09-06 17:17:24 EDT

nginx-1.10.1-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2016-09-06 17:18:24 EDT

nginx-1.10.1-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.

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